2015132742

Names of 2015132742

• Cardinal: 2015132742 can be written as Two billion, fifteen million, one hundred thirty-two thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 2.015132742 × 10⁹

Factors of 2015132742

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 493

Divisors of 2015132742

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 6 7 9 14 18 19 21 27 31 38 42 49 54 57 62 63 81 93 98 114 126 133 147 162 171 186 189 217 266 279 294 342 378 399 431 434 441 513 558 567 589 651 798 837 862 882 931 1026 1134 1178 1197 1293 1302 1323 1519 1539 1674 1767 1862 1953 2394 2511 2586 2646 2793 3017 3038 3078 3534 3591 3879 3906 3969 4123 4557 5022 5301 5586 5859 6034 7182 7758 7938 8189 8246 8379 9051 9114 10602 10773 11637 11718 12369 13361 13671 15903 16378 16758 17577 18102 21119 21546 23274 24567 24738 25137 26722 27153 27342 28861 31806 34911 35154 37107 40083 41013 42238 47709 49134 50274 54306 57323 57722 63357 69822 73701 74214 75411 80166 81459 82026 86583 93527 95418 111321 114646 120249 123039 126714 147402 150822 162918 171969 173166 187054 190071 221103 222642 240498 244377 246078 253859 259749 280581 333963 343938 360747 380142 401261 442206 488754 507718 515907 519498 561162 570213 654689 663309 667926 721494 761577 779247 802522 841743 1031814 1082241 1140426 1203783 1309378 1326618 1523154 1547721 1558494 1683486 1710639 1777013 1964067 2164482 2284731 2337741 2407566 2525229 3095442 3421278 3554026 3611349 3928134 4569462 4643163 4675482 5050458 5331039 5892201 6854193 7222698 7575687 9286326 10662078 10834047 11784402 12439091 13708386 15151374 15993117 17676603 20562579 21668094 24878182 31986234 32502141 35353206 37317273 41125158 47979351 53029809 65004282 74634546 95958702 106059618 111951819 143938053 223903638 287876106 335855457 671710914 1007566371 2015132742
• Sum of all divisors σ(n): 5720647680
• Sum of proper divisors (its aliquot sum) s(n): 3705514938
• 2015132742 is an abundant number, because the sum of its proper divisors (3705514938) is greater than itself. Its abundance is 1690382196

Bases of 2015132742

• Binary: 1111000000111000111110001000110₂
• Hexadecimal: 0x781C7C46
• Base-36: XBRADI

Squares and roots of 2015132742

• 2015132742 squared (2015132742²) is 4060759967880438564
• 2015132742 cubed (2015132742³) is 8182970368678740091635862488
• The square root of 2015132742 is 44890.2299169877
• The cube root of 2015132742 is 1263.0907456195

Scales and comparisons

• 2,015,132,742 seconds is equal to 64 years, 3 weeks, 6 days, 7 hours, 5 minutes, 42 seconds.
• To count from 1 to 2,015,132,742 would take you about one hundred twenty-eight years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 2015132742 cubic inches would be around 105.3 feet tall.

Recreational maths with 2015132742

• 2015132742 backwards is 2472315102
• 2015132742 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2015132742's digits is 27
• More coming soon!